XZ premium resets itself - Sony Xperia XZ Premium Questions & Answers

Hello. I am asking for help in solving the problem, namely I recently bought a refurbished XZ Premium which suffers from frequent restarts ONLY when the phone is not used, it is lying on a shelf or in a pocket and suddenly it can vibrate and reset, sometimes it freezes and you need to start it do restart vol + pwr, reset also sometimes occurs during a call. When I use the phone, nothing happens to it, it works properly. It does not matter the battery level and the firmware version uploaded, safe mode, clean installation, I tried on many official versions.
Do you have any ideas what might be wrong with her?

tonick80 said:
what might be wrong with her?
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motherboard damage

saved-j said:
motherboard damage
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Yeah send it back...

Thank you for your help, I will replace the motherboard soon, because it's probably impossible to repair. I have a donor with problems with sound reproduction, the speakers are not working, I hope it is not due to damage to the motherboard. I will let you know if it will work.

Related

[Q] Sensation doesn't turn on after charging

Hey all,
I charged my newly Sensation for a whole 24 hours. At the beginning the red LED was on, and it changed after a while to a green light, as it suppose to be.
I was out for couple of hours, and when I came back- the phone won't turn on.
The screen is (sometimes) turned on, and it like screen-black and not off-black. I tried to pull out the battery, and it didn't helped.
None of my computers recognize the device, and the little LED don't light up if it connected to charger nor to the USB.
Is there anyway I can do reset?
What can I do?
(I really can't get it replaced, I bought it from Negri, and I don't live in the USA.. )
Thanks!
try holding the volume rocker down button while pressing the power button, see if anything happens.
I tried, and it didn't helped.
Try this: take the battery out. While holding volume down and power, put the battery back in. This is something from SGS, but maybe it will work.
Swyped from my HTC Sensation
Nope..
(Can Sensation turn on without it's back case?)
I there anyway I can restore to factory settings using a computer or so?
rlbaris said:
Nope..
(Can Sensation turn on without it's back case?)
I there anyway I can restore to factory settings using a computer or so?
Click to expand...
Click to collapse
I think this won't help, it looks like a hardware problem, motherboard failure, I'm not 100% sure though, may be some of the more experienced guys here can help.
reckoner_85 said:
I think this won't help, it looks like a hardware problem, motherboard failure, I'm not 100% sure though, may be some of the more experienced guys here can help.
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Click to collapse
That's what I was afraid of.
How can I know if that included with my warranty?
I had this same problem with my first sensation and all i did was take the battery out then hold just the power button and put the battery back in. Like I said "first sensation" it had other problems too.
hope this helps
schnem said:
I had this same problem with my first sensation and all i did was take the battery out then hold the just the power button and put the battery back in. Like I said "first sensation" it had other problems too.
hope this helps
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Click to collapse
Well, that didn't work either.
Altho, I must say that knowing that someone else had a situation like that, does help.
Thanks!
Arrrrggg....
Changing the phone now will be a pain in the **..
I'll have to send it back to US, and wish they will replace it for me?
Anyone know what's HTC warranty policy?
HTC gives global warranty to every unit, or it's depends on the reseller?
Thanks..
Whilst I can't help you with the warranty, an email to HTC will tell you exactly what's what.
What I can share with you is that it seems a complete hardware failure has happened on more than just a few isolated examples of the handset.
My first one crashed when pairing bluetooth, I pulled the battery, and from that point, it wouldn't do a thing. No power, no USB recognising on the PC or anything. I went back to my carrier, and they replaced it directly for me.
I can tell you that there are more than just a few of us who have experienced this problem... what causes it - who knows... there is rumour at the moment about a build-up of static causing the touch-screen to fail - if that static goes in the wrong direction... it could easily fry your phone.
My advice - keep it physically 'stock - don't put any covers or anything on, to minimise the build-up of static - JUST IN CASE this is the issue.
Thanks niddnet,
It is good to know it not necessarily my fault.
Is it common that new phones have problems like that? I must say it's really shocking. Phone dies in a middle of BT pairing!? Weird.

Phone locked, touch screen not working

If this is a duplicate issue, my apologies. My husband's phone has locked and the touch screen is unresponsive. Pulling the battery and restarting the phone does not correct this issue. It is locked when the phone turns on. He cannot answer calls. The only way to turn the phone off is by removing the battery. Help?
maruba79 said:
If this is a duplicate issue, my apologies. My husband's phone has locked and the touch screen is unresponsive. Pulling the battery and restarting the phone does not correct this issue. It is locked when the phone turns on. He cannot answer calls. The only way to turn the phone off is by removing the battery. Help?
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Click to collapse
Has he modified the software in anyway? Has he installed a custom rom or a different radio or the phone is fully stock?
glevitan said:
Has he modified the software in anyway? Has he installed a custom rom or a different radio or the phone is fully stock?
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Click to collapse
Fully stock. I'm thinking he may have dropped it and won't fess up....it was working intermittently, but now it has been frozen for a day and a half, and I'm at a loss.
maruba79 said:
Fully stock. I'm thinking he may have dropped it and won't fess up....it was working intermittently, but now it has been frozen for a day and a half, and I'm at a loss.
Click to expand...
Click to collapse
Then it seems to be a hardware issue more than a software one. However, you can try to re install the stock rom and see what happens. You can go to hboot and do a factory reset, you will lose data but it will install everything again.
Do you know how to do that?..
Power off the device
Press volume down + power
When you get to the white screen with androids, you can navigate with the volume rocker and choose with the power volume. Choose to factory reset the device and see what happens.
glevitan said:
Then it seems to be a hardware issue more than a software one. However, you can try to re install the stock rom and see what happens. You can go to hboot and do a factory reset, you will lose data but it will install everything again.
Do you know how to do that?..
Power off the device
Press volume down + power
When you get to the white screen with androids, you can navigate with the volume rocker and choose with the power volume. Choose to factory reset the device and see what happens.
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Click to collapse
Thank you so much! I'm doing that now! I have this same phone (this is my 2nd one) and have no problems. I love my phone...but I also take care of it!
So that didn't change anything except the wallpaper. Am I pretty well SOL?
maruba79 said:
So that didn't change anything except the wallpaper. Am I pretty well SOL?
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Click to collapse
it seems so. Maybe something got broken...that is why it sounded like a software issue. I am sorry but I guess that your best bet is a service centre
Same thing happened to mine, never dropped it either. I had to replace the digitizer which was a pain.
nsmith4 said:
Same thing happened to mine, never dropped it either. I had to replace the digitizer which was a pain.
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The hubs took it by a repair shop this morning. The digitizer had come unplugged. :victory:

Screen doesn't work after new start

I got the following issue which has been confirmed by Samsung Service desk to be occur more often:
After power down (switching of) and start-up the screen stays blind//black. Phone seems to work (LED and sound notifications). Attaching to PC with USB phone is recognized as normal. Hard reset via power and volume down bottom (and home button) seems to work but still screen stays blind. Phone is now on its way for repair. Will keep updated once I got news.
Anyone else here has same problem? Cures? Root-cause?
no one?
I had the problem 4 months ago.
The screen went black a few times but always goes up after 10 minutes of pressing vol down + power button. But after a lot of time doing that, it finally went absolutely black like yours, and yes the phone was working cause I could hear my ringtone, see the led blinking and it vibrated sometimes.
Then they repaired it free of charge even if my knox was 0x1. I don't know if the issue is root related or not. I was rooted and on SuperMan Rom.
Hi thanks, for the reply. Mine is 100% original and being repaired currently. Not sure yet what the cause is but will share it once I got the feedback.
Cheers,
Steven
Update 28/11/2016: According to repair-shop it's the motherboard. Anyone else had issues like this?
Steven13 said:
Update 28/11/2016: According to repair-shop it's the motherboard. Anyone else had issues like this?
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When I had this issue, they told it was an issue with the motherboard and the lcd panel and they changed both according to the reparation report.
Steven13 said:
Update 28/11/2016: According to repair-shop it's the motherboard. Anyone else had issues like this?
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Click to collapse
Not personally, but have read another one member at least, here having the same problem
Update 6-12: I'll get my phone returned this week. Apperently a faulty motherboard was the cause of this error. Samsung and it's official repair center where negatively in the news this week on a Dutch consumer program. Reason is not having enough OLED replacement screens so consumers are "forced" to buy a new one. [in Dutch: http://kassa.vara.nl/nieuws/reactie...eprocedure-van-beeldschermen-van-smartphones].

[Hardware/Troubleshooting] Z5 Dual E6683 not booting

It happened when I was normally using, no overheat, 84% battery remained. The phone was hanged and screen turn deep blue. I turn it off by using Power and Volume +. And It has never booted again :crying: . Unfortunately my phone was out of warranty. I've pressed and held the power button. The hard reset is not working. I tried pressing the off button near the SIM and tried turning it on again. But nothing happened. Also when I hook it onto the charger the notification light doesn't light up. PC Companion isn't recognizing it either. I've charged it for many hours, the mainboard warmed up but battery still cold. Even I removed the battery and charged it directly via a power supply machine but no use. It's a really bad hardware problem. May I have to replace the mainboard or just power management IC (PMi8994 and PM8994)? Sorry for my bad English
legendarywanderer said:
It happened when I was normally using, no overheat, 84% battery remained. The phone was hanged and screen turn deep blue. I turn it off by using Power and Volume +. And It has never booted again :crying: . Unfortunately my phone was out of warranty. I've pressed and held the power button. The hard reset is not working. I tried pressing the off button near the SIM and tried turning it on again. But nothing happened. Also when I hook it onto the charger the notification light doesn't light up. PC Companion isn't recognizing it either. I've charged it for many hours, the mainboard warmed up but battery still cold. Even I removed the battery and charged it directly via a power supply machine but no use. It's a really bad hardware problem. May I have to replace the mainboard or just power management IC (PMi8994 and PM8994)? Sorry for my bad English
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Check fastboot?
HaoZeke said:
Check fastboot?
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It can't fastboot or pc recognize
Same for me, motherboard died. Sent to Warranty, works now...
EnesSastim said:
Same for me, motherboard died. Sent to Warranty, works now...
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Did they tell you what exactly happened? I don't have enough money to afford a new motherboard now, I want to know which components were damaged and can i replace it?
legendarywanderer said:
Did they tell you what exactly happened? I don't have enough money to afford a new motherboard now, I want to know which components were damaged and can i replace it?
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Click to collapse
My Phone was bootloader unlocked and they didn't take any money for changing motherboard lol
EnesSastim said:
My Phone was bootloader unlocked and they didn't take any money for changing motherboard lol
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I'm glad to hear that, they must pay for their poor hardware build. I have seen many sudden death cases.
legendarywanderer said:
I'm glad to here that, they must pay for their poor hardware build. I have seen many sudden death cases.
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Click to collapse
Send your device to warranty, they can't understand if the phone is bootloader unlocked or not because when you change the motherboard, the bootloader will come locked (bootloader is related to motherboard)
EnesSastim said:
Send your device to warranty, they can't understand if the phone is bootloader unlocked or not because when you change the motherboard, the bootloader will come locked (bootloader is related to motherboard)
Click to expand...
Click to collapse
Unfortunately when my phone was dead, the warranty had expired for a week. If i send it to local support i bet they will replace the whole motherboard and take from me $200. But when I opened the motherboard and emi shield, i found the problem was around PMi8994 power management IC. I will repair soon and may be it just costs $10 lol
legendarywanderer said:
Unfortunately when my phone was dead, the warranty had expired for a week. If i send it to local support i bet they will replace the whole motherboard and take from me $200. But when I opened the motherboard and emi shield, i found the problem was around PMi8994 power management IC. I will repair soon and may be it just costs $10 lol
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Click to collapse
Hi! Did you manage to solve the problem?? My warranty is gone too and have the same problem and I want to know if you changed only the power management.

Ghost touching (phone doing random things by itself)

Hello, yesterday I received my phone. For the first hour it was working fine. But later, when I locked the phone I couldn't enter my password or shut down because phone started touching random things by itself. Did a factory reset but after that I can't even setup the phone because it doing random things by itself. Tried to discharge the phone and leave it overnight. But the next day it was the same story. I even peeled of screen protector but no luck. I think it's not system related issue, might be that I got the faulty one with bad touchscreen? Has anyone had this issue?
Mine doesn't has any touch issues. Seems a manufacturing defect, better off exchanging/returning it.
Return it asap, it was a problem on my mi9se and it only becomes worse
VyktorJonas said:
Return it asap, it was a problem on my mi9se and it only becomes worse
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Click to collapse
The problem is that I bought it overseas and returning it back would take very long because of the corona I"m wondering what's the problem could be, touchscreen or something more serious like motherboard. If it only screen I might change it by myself
Return it under warranty. The second you open it that is gone and if the problem persists, then you are screwed...
Not only have you lost the purchase price of the phone but the cost of the replacement screen too which generally aren't cheap...
ultramag69 said:
Return it under warranty. The second you open it that is gone and if the problem persists, then you are screwed...
Not only have you lost the purchase price of the phone but the cost of the replacement screen too which generally aren't cheap...
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Click to collapse
Yeah, I get it. Also, Xiaomi have international warranty or only local? Because would be great if it could be changed at my country. But as far as I know it has just local warranty from where it was bought or am I wrong?
dovis838 said:
Yeah, I get it. Also, Xiaomi have international warranty or only local? Because would be great if it could be changed at my country. But as far as I know it has just local warranty from where it was bought or am I wrong?
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since it's a brand new phoen and you just bought it, I;m sure the store in which you bought it from has to accept the phone back, I can't stress this enough, please return your phone for your own good
Try use 60hz screen setting
Also, how did the problem start?
Alvian_P said:
Try use 60hz screen setting
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I can't even setup my phone now. I'm at miui startup after factory reset.
VyktorJonas said:
Also, how did the problem start?
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Idk, just randomly. I was using it for about an hour. Locked the phone for about 5min. And after that I couldn't enter my pin and read fingerprint because phone started randomly touching screen. I can't even shut down the phone screen is always on until battery discharges.
dovis838 said:
I can't even setup my phone now. I'm at miui startup after factory reset.
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Try use OTG wireless mouse. Connect mouse dongel with OTG type C.
Alvian_P said:
Try use OTG wireless mouse. Connect mouse dongel with OTG type C.
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Click to collapse
Tried this. Still impossible to press anything because phone keep doing random things
dovis838 said:
Tried this. Still impossible to press anything because phone keep doing random things
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from where is your phone region? it can happen from many possibilities. maybe from the kernel. You can try to flash using miflash according to the firmware region.
or try to enter stock recovery, is it random touch or not. (vol + & power)
new phone is still a warranty, it's good to go to a xiaomi service center
My case was, when the phone was brand new power button was stucked . But after using it few times, everything was fine. It didn't happen again
Sent from my M2007J20CG using Tapatalk
My unit is a little more than a month old, and it started doing the same thing right now (about 10 minutes ago) randomly, while I was videochatting with someone. Did anyone solve this issue?
lorinet3 said:
My unit is a little more than a month old, and it started doing the same thing right now (about 10 minutes ago) randomly, while I was videochatting with someone. Did anyone solve this issue?
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In my case it was faulty digitizer, after replacament everything is fine. I bought it overseas so no international warranty, but seller refunded me half the price. I went for the screen replacment and after that everything works fine.

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